March is the month when most gardens really wake up. In colder regions, it is prime time for indoor seed starting and preparing beds. In milder climates, spring planting is already rolling, and in the warmest zones, the garden may be producing heavily while you begin shifting toward heat-loving crops.
Zones 1-7a: These zones experience cold winters with extended periods of freezing temperatures. In March, monitor soil conditions, thaw cycles, and late frosts as you prepare for early outdoor sowing. Indoors, this is a busy month for starting cool-season crops and hardy flowers under lights or in a greenhouse so they are ready to transplant as soon as the weather settles.
Zones 7b-9a: These zones experience mild winter weather and are warming quickly in March. Many cool-season crops can be direct sown outdoors, and succession planting helps keep harvests coming as temperatures rise. It is also a great time to start warm-season favorites indoors while keeping frost protection on hand for unexpected cold snaps. And of course, sprouts and microgreens are always in season indoors!
Zones 9b-12: Depending on your area, March can be peak garden season in these warm-winter zones. Many crops planted earlier are now producing, and this month often marks the transition from late cool-season planting to the start of warm-season gardening. In the hottest areas, you may begin planting heat lovers while timing your last rounds of tender cool-season crops before warmer weather arrives.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Tomato Seeds - Cherry - Sungold Hybrid
57 Days to maturity (from transplant). Solanum lycoperscium. Sungold Hybrid Tomato Seeds. Non-GMO, annual, F1 hybrid, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, greenhouses, containers, and...
Nasturtium Seeds - Jewel Mix
54-63 Days to maturity. Tropaeolum majus. Organic Nasturtium Jewel Mix Seeds. Non-GMO, annual, heirloom. Jewel Mix nasturtium is brilliant, easy to grow from seed, and perfectly suited for many dry...
Zinnia Seeds - California Giant Mix
75-90 Days to maturity. Zinnia elegans. California Giant Mixture Zinnia Seeds. Non-GMO, organic, annual. The “king of summer annuals" California Giant Mix seeds are the largest variety of Zinnias ever,...
Tomato Seeds - Slicing - Oregon Spring
58 Days to maturity (from transplant). Solanum lycoperscium. Oregon Spring Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, determinate, slicing tomato. Suitable for growing in containers, garden plots, raised beds, greenhouses. Resistant...
French Marigold Seeds - Durango Series (Coated)
56-63 Days to maturity. Tagetes patula. Durango Series French Marigold Seeds. Non-GMO, annual, open-pollinated. Durango Series French marigold seeds are an adorable, compact, and vibrant addition to grow in any...
French Marigold Seeds - Petite Mixture
56-63 Days to maturity. Tagetes patula. Petite Mixture French Marigold Seeds. Non-GMO, annual, open-pollinated. Petite Mixture French marigold seeds are an adorable, compact, and vibrant addition to grow in any...
Nasturtium Seeds - Alaska
54-63 Days to maturity. Tropaeolum majus. Nasturtium Alaska Seeds. Non-GMO, annual, heirloom. Alaska nasturtium is brilliant, easy to grow from seed, and perfectly suited for many dry and temperate climates....
Zinnia Seeds - Lilliput Mixture
54-70 Days to maturity. Zinnia elegans. Lilliput Mixture Zinnia Seeds. Non-GMO, organic, annual. Lilliput Mixture Zinnia Flowers are easy to grow from seeds and ideal for hot and drought-prone gardens....
Zinnia Seeds - Zahara Series (Coated)
50-60 Days to maturity. Zinnia elegans. Zahara Series Zinnia Seeds. Non-GMO, annual. Zahara Series Zinnia flower seeds are brilliant, easy to grow, and renowned for their hardiness and ability to...
Flower Mix - Zinnia Special Collection
Attract pollinators all season long with beautiful multi-colored zinnia blooms. Zinnias are not only one of the loveliest flowers in the garden, but they are also easy to grow and...
Cosmos Seeds - Sensation Mixture
49-63 Days to maturity. Cosmos bipinnatus. Sensation Mixture Cosmos Seeds. Non-GMO, annual, Heirloom, Open Pollinated. Sensation Mix cosmos seeds grow some of the season's most timeless and familiar blooms. Sensation...
Zinnia Seeds - Profusion Series (Coated)
54-70 Days to maturity. Zinnia elegans x angustifolia. Profusion Series Zinnia Seeds. Non-GMO, organic, annual. Profusion Series Zinnia flower seeds promise to turn your tired summer bedding into an award-winning...
Zinnia Seeds - Magellan Series (Coated)
55-60 Days to maturity. Zinnia elegans. Magellan Series Zinnia Seeds. Non-GMO, organic, F1 hybrid, annual. Magellan Zinnia Series seeds produce tough, resilient zinnias, best suited for gardens prone to heat...
Okra Seeds - Perkins Long Pod
Abelmoscgus esculentus (55 days) An old favorite in the South this heirloom okra is vigorous growing 5' tall. Perkins Long pod produces a bright green pod, that is 8" long....
Arugula Seeds - Rocket (Roquette)
40-50 Days to maturity. Eruca vesicaria ssp. sativa ’Rocket’. Rocket (Roquette) Arugula Seeds. Non-GMO, warm weather heirloom annual. Arugula is a nutrient-dense Mediterranean leafy green that has been cultivated in...
Malabar Spinach Seeds - Big Round Leaf
Malabar Spinach Seeds - Big Round Leaf. Heirloom, Basella alba. 50-60 days. Warm season annual. Non GMO. Open pollinated. This is a green big leaf variety. Leaves are thick. Slow...
Tomato Seeds - Cherry - Gardener's Delight
50-80 Days to maturity (from transplant). Solanum lycoperscium. Gardeners Delight Tomato Seeds. Non-GMO, annual, open-pollinated, heirloom, indeterminate, cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant...
French Marigold Seeds - Disco Series (Coated)
56-63 Days to maturity. Tagetes patula. Disco Series French Marigold Seeds. Non-GMO, annual, open-pollinated. Disco Series French marigold seeds are an adorable, compact, and vibrant addition to grow in any...
French Marigold Seeds - Bonanza Series (Coated)
56-63 Days to maturity. Tagetes patula. Bonanza Series French Marigold Seeds. Non-GMO, annual, open-pollinated. Bonanza Series French marigold seeds are brilliant, easy to grow, and renowned for their hardiness and...
Cosmos Seeds - Bright Lights
56-63 days. Bright Lights cosmos seeds grow a playful, robust, and familiar annual sown among sunflowers and wildflowers. Bright Lights seeds grow hardy, drought tolerant cosmos shrubs as high as...
Zinnia Seeds - State Fair Mix
60 - 80 days. Zinnia elegans. Annual. State Fair Mix Zinnia seeds grow some of the tallest and brightest Zinnias growing this summer. State Fair Mix Zinnia seeds deliver brilliant...
Zinnia Seeds - Thumbelina Mixture
60-70 Days to maturity. Zinnia elegans. Thumbelina Mix Zinnia Seeds. Non-GMO, AAS Winner, annual. Thumbelina Mix Zinnia flower seeds are a small, adorable, and vibrant addition to grow in any...
French Marigold Seeds - Janie Series
56-63 Days to maturity. Tagetes patula. Janie Series Marigold Seeds. Non-GMO, annual, open-pollinated. Growing Janie Series Marigold seeds this season is an effortless and award-winning way to dash some summer...
Gourd Seeds, Bitter - India - Hybrid
40-55 Days to Maturity (after transplanting). Momordica charantia ’India’. India Bitter Gourd Seeds. Non-GMO, warm-season, annual, hybrid. The India-type bitter melon has dark green skin; this hybrid's 6-8 inch fruits...
Nasturtium Seeds - Empress of India
Empress of India Nasturtium Flower Seeds. Edible Flowers. Annual Flower. Mix with a salad of baby greens or use as a garnish. The dark leaves set off the dazzling, long-spurred...
Amaranth Seeds - Green Leaf - Lu Hsien
45-70 days to maturity.Amaranthus mangostanus ‘Lu Hsien’. Lu Hsien Green Leaf Amaranth Seeds. Non-GMO, Heirloom, annual. Amaranth is originally from the tropics of multiple continents; today, it is grown globally....
Okra Seeds - Clemson Spineless
50-70 days. Clemson Spineless Okra Seeds. Abelmoschus esculentus. Non-GMO. Heirloom. Also known as Clemson Spineless 80. Clemson Spineless okra debutedas the 1939 All-America Selections Vegetable Winner is a highly popular...
French Marigold Seeds - Sparky Mixture
63-77 Days to maturity. Tagetes patula. Sparky Mixture Marigold Seeds. Non-GMO, annual, open-pollinated. Sparky Mixture French marigold seeds offer one of the most vibrant and inexpensive blooms available to the...
Zinnia Seeds - Dahlia Flowered Mixture
90-100 Days to maturity. Zinnia elegans. Dahlia Flowered Mixture Zinnia Seeds. Non-GMO, organic, annual. Growing Dahlia Flowered Mix zinnia seeds this season is an effortless and vibrant way to dash...
Okra Seeds - Clemson Spineless (Organic)
(58 days) I'm sure you heard Grandpa or Grandma talk about Clemson Spineless if you live down South. Well, this is an improvement on that same tasty okra. Clemson Spineless,...
Purslane Seeds - Golden
35 days. Purslane Golden is one terrific green! Super healthy, it is loaded with Omega 3- more than any other leafy vegetable, more than many fish oil, and has a...
Gourd Seeds - Nam Tao Ngam - India Type -...
45-50 Days to maturity. Lagenaria siceraria. India Type Nam Tao Ngam Hybrid Seeds. Annual, Hybrid. India Type Nam Tao Ngam produces vigorously growing vines and 18-20" long bright green gourd...
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